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Density of copper is 8.96g/cm^3 and density of zinc is 7.14 g/cm^3. brass is an alloy made of copper and zinc. you are given a sample of brass with the density of 8.32 g/cm³ the price of the zinc is $1.80 per kilogram and price of copper $6.13 per kilogram. determine the material cost for making one ton of the brass sample that you have.